Roptex® (Brown Kraft) Classification Envelope with Flat Pocket - Especially made for use with a two-prong filing system - popular in the legal profession - this Classification Envelope protects contents while keeping them safe from being 'hole punched'. Manufactured using an SFI Certified 28# Brown Kraft paper with center seam construction, ungummed flap and a 7 3/4 x 9 flat pocket. Features a reinforced fold-over extension with two predrilled holes that provide secure and easy insertion into a two-ring binder. Ample pocket size will easily hold photographs, samples, legal documents and evidence.